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2023202431 = 25716974639
BaseRepresentation
bin111100010010111…
…1001111001111111
312020000000022222101
41320211321321333
513120414434211
6532432125531
7101064636235
oct17045717177
95200008871
102023202431
11949054a28
124856968a7
1326320c303
141529b8955
15bc9475c1
hex78979e7f

2023202431 has 8 divisors (see below), whose sum is σ = 2032709760. Its totient is φ = 2013708288.

The previous prime is 2023202413. The next prime is 2023202477. The reversal of 2023202431 is 1342023202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2023202431 - 25 = 2023202399 is a prime.

It is a super-2 number, since 2×20232024312 = 8186696153608619522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2023202399 and 2023202408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2023202491) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 433810 + ... + 438448.

It is an arithmetic number, because the mean of its divisors is an integer number (254088720).

Almost surely, 22023202431 is an apocalyptic number.

2023202431 is a deficient number, since it is larger than the sum of its proper divisors (9507329).

2023202431 is a wasteful number, since it uses less digits than its factorization.

2023202431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6593.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 2023202431 is about 44980.0225766951. The cubic root of 2023202431 is about 1264.7745344339.

Adding to 2023202431 its reverse (1342023202), we get a palindrome (3365225633).

The spelling of 2023202431 in words is "two billion, twenty-three million, two hundred two thousand, four hundred thirty-one".

Divisors: 1 257 1697 4639 436129 1192223 7872383 2023202431